Split up stop_nova to match start_nova
Split up stop_nova to match start_nova

Split stop_nova into: stop_nova_compute and stop_nova_rest. This is
needed to support the partial-ncpu grenade test where we want to stop
everything but nova_compute.

Change-Id: I6a21821277e56897d705ca5746806e2211632d12

nawawi/openstack,ozamiatin/devstack,upadhyay-prashant/devstack,NaokiMiyata/devstack,neerja28/Devstack_GlusterFS,nuxeh/devstack,HPCHub/devstack,group-policy/devstack,thomasem/devstack,mmasaki/devstack,sc68cal/devstack,mssumanth/devstack,vsham20/devstack,BSJAIN92/OpenStack,pczerkas/devstack,avvocatodemarchis/devstack,HPCHub/devstack,j4/devstack,group-policy/devstack,samgoon/devstack,bljgaurav/openstack-test,olivierlemasle/devstack,prithivm/branch01,Juniper/devstack,dtroyer/devstack,eharney/devstack,flavio-fernandes/devstack,costingalan/devstack,CloudServer/devstack,bigswitch/devstack,bswartz/devstack,nuxeh/devstack,openstack-dev/devstack,kplus/devstack-moonshot,jamielennox/devstack,nawawi/openstack,pombredanne/devstack,olivierlemasle/devstack,sc68cal/devstack,costingalan/devstack,rushiagr/devstack,prithivm/branch01,tianweizhang/devstack,dtroyer/devstack,CloudServer/devstack,flavio-fernandes/devstack,williamthegrey/devstack,bq-xiao/devstack,wenhuizhang/devstack,herrsechs/devstack,BSJAIN92/OpenStack,TwinkleChawla/devstack,andrewrothstein/devstack,liuquansheng47/devstack,parul24/devstack,atulpatil301/devstack,avvocatodemarchis/devstack,Mahito/devstack,thomasem/devstack,eharney/devstack,pacinete/devstack,mmasaki/devstack,dirkmueller/devstack,noironetworks/devstack,pombredanne/devstack,liuquansheng47/devstack,innodee/openstackk,eshnil2000/devstack,herrsechs/devstack,srics/devstack,promptworks/devstack,atulpatil301/devstack,kplus/devstack-moonshot,openstack-dev/devstack,bq-xiao/devstack,LoHChina/devstack,affo/devstack,parul24/devstack,TwinkleChawla/devstack,varunarya10/devstack,samgoon/devstack,noironetworks/devstack,neerja28/Devstack_GlusterFS,wenhuizhang/devstack,mc2014/devstack,JioCloud/devstack,bigswitch/devstack,bswartz/devstack,LoHChina/devstack,upadhyay-prashant/devstack,vsham20/devstack,affo/devstack,vishnugonela/devstack,promptworks/devstack,vishnugonela/devstack,bljgaurav/openstack-test,ozamiatin/devstack,pacinete/devstack,NaokiMiyata/devstack,virtualopensystems/devstack,sequenceiq/devstack,richliu/devstack,j4/devstack,tianweizhang/devstack,dirkmueller/devstack,mssumanth/devstack,Mahito/devstack,sequenceiq/devstack,varunarya10/devstack,rushiagr/devstack,andrewrothstein/devstack,mc2014/devstack,pczerkas/devstack,richliu/devstack